trees

within 25 miles

May 2, 2026

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University of Freiburg

3Dtrees.earth

Collect data and tools for LiDAR-based forest monitoring

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentGeographyComputers & Technologylidarinventorycomputer visionmonitoringremote sensingforestdronesscanning

Ancient Tree Inventory

To build a living database of ancient trees

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsBiologytrees, united kingdom

2B Technologies, Inc.

AQTreks (AirQualityTreks)

Monitor air pollution levels and map air pollution around the US

Multiple locations, including yours!

Ongoing

Citizen ScienceNature & OutdoorsGeographyEducationCrowd FundingTransportationEcology & EnvironmentComputers & TechnologyClimate & WeatherChemistryOcean Water Marinescienceweatherappglobal warminggirl scoutsstemwinteroutdoorsequityclimateautumndataiphoneparticulate mattersmartphone applicationspringweather datamobile applicationair qualitycarbon monoxideair quality indexairclimate changecitizen scienceair pollutionenvironmentenvironmental justiceandroidinvestigationnaturecommunity-based monitoringdatabaseexperimenthikingcarbon dioxideec2020usaclimate monitoringair pollution monitoringsummerbicycling

NC State University | ecoipm.org | YourWildLife.org

A Tree's Life

To learn how climate & urbanization affect tree growth & health

Multiple locations, including yours!

Ongoing

Citizen ScienceBiologyEducationClimate & WeatherNature & OutdoorsEcology & Environmenturban ecologyclimate changecarbon sequestrationtrees

Cornell University/New York Department of Environmental Conservation

AVID (Assessing Vegetation Impacts from Deer)

Monitor the effects of deer browsing on woodland trees and plants

Multiple locations, including yours!

Ongoing through November 30, 2030 at 8:35 PM

Citizen ScienceAnimalsEcology & EnvironmentNature & Outdoorsforestdeerwildflowerstreesecologyseedlingsforest healthwoodlandswildlife

Airigami

Balloon Breakdown

Help compost 40,000 latex balloons

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & Environmentcompostcompostingballoonballoons

Northern Rivers Fire and Biodiversity Consortium Inc.

Bell Miner Associated Dieback Best Practice Project

Evaluate the removal of mid-storey density in disturbed forests using prescribed fire, weed control and bush regeneration as a method to restore BMAD affected forest.

Anywhere

Ongoing

Citizen ScienceEducationEcology & EnvironmentBirdstree health across the northern rivers region of new south waleslocations of native bell miner coloniesaustraliabird monitoringlandholdersbell miner associated dieback (bmad)gondwana world heritagedatabmad affected forest biodiversity trees birds

Zooniverse

Buzzy Bee - African Canopy Pollinators

Study pollination of Central African timber species

Anywhere

Ongoing

Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologysize and composition of pollinators communitiescirculating entomofaunatimber speciestree speciestropical rainforestpollen dispersal distancespollination flower ecology tree conservation interaction botany insect entomologyfloral traits

Casey Trees

To restore, enhance and protect the trees of Washington DC

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentGeology & Earth ScienceNature & OutdoorsBiologytreestree plantingwashington d.c.plantingcanopy

Caterpillars Count!

Monitor the seasonality and abundance of foliage arthropods

Multiple locations, including yours!

Ongoing

Citizen ScienceInsects & PollinatorsEducationEcology & EnvironmentBiologyNature & OutdoorsAnimalsGeographycsm2026arthropodsinsectscsm-featuredbiodiversitycsm2025earth2025bird foodphenologycaterpillars

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